Light bar



FIG. 1 is a front perspective view of a light bar;

FIG. 2 is a top plan view of the light bar;

FIG. 3 is a front side view of the light bar;

FIG. 4 is a right side view of the light bar, the opposite left side view being identical;

FIG. 5 is a bottom view of the light bar; and,

FIG. 6 is a rear view of the light bar.

The broken lines shown in the figures represent portions of the light bar that form no part of the claimed design. 

CLAIM The ornamental design for a light bar, as shown and described. 